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113 | #!/usr/bin/env python
#-----------------------------------------------------------------------------
# qwiic_env_bme280_ex5.py
#
# Simple Example for the Qwiic BME280 Device
#------------------------------------------------------------------------
#
# Written by SparkFun Electronics, May 2019
#
# This python library supports the SparkFun Electroncis qwiic
# qwiic sensor/board ecosystem on a Raspberry Pi (and compatable) single
# board computers.
#
# More information on qwiic is at https:# www.sparkfun.com/qwiic
#
# Do you like this library? Help support SparkFun. Buy a board!
#
#==================================================================================
# Copyright (c) 2019 SparkFun Electronics
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#==================================================================================
# Example 5 - port of the Arduino example 5
#
from __future__ import print_function
import qwiic_bme280
import time
import sys
def runExample():
print("\nSparkFun BME280 Sensor Example 5\n")
mySensor = qwiic_bme280.QwiicBme280()
if mySensor.connected == False:
print("The Qwiic BME280 device isn't connected to the system. Please check your connection", \
file=sys.stderr)
return
mySensor.begin()
print("ID(0xD0): 0x%.2x" % mySensor._i2c.readByte(mySensor.address, mySensor.BME280_CHIP_ID_REG))
print("Reset register(0xE0): 0x%.2x" % mySensor._i2c.readByte(mySensor.address, mySensor.BME280_RST_REG))
print("ctrl_meas(0xF4): 0x%.2x" % mySensor._i2c.readByte(mySensor.address, mySensor.BME280_CTRL_MEAS_REG))
print("ctrl_hum(0xF2): 0x%.2x\n" % mySensor._i2c.readByte(mySensor.address, mySensor.BME280_CTRL_HUMIDITY_REG))
print("Displaying all regs:")
memCounter = 0x80
for row in range(8,16):
print("0x%.2x 0:" % row, end='')
for column in range(0,16):
tempReadData = mySensor._i2c.readByte(mySensor.address, memCounter)
print("0x%.2x " % tempReadData, end='')
memCounter += 1
print("")
print("Displaying concatenated calibration words:")
print("dig_T1, uint16: %d" % mySensor.calibration["dig_T1"])
print("dig_T2, int16: %d" % mySensor.calibration["dig_T2"])
print("dig_T3, int16: %d" % mySensor.calibration["dig_T3"])
print("dig_P1, uint16: %d" % mySensor.calibration["dig_P1"])
print("dig_P2, int16: %d" % mySensor.calibration["dig_P2"])
print("dig_P3, int16: %d" % mySensor.calibration["dig_P3"])
print("dig_P4, int16: %d" % mySensor.calibration["dig_P4"])
print("dig_P5, int16: %d" % mySensor.calibration["dig_P5"])
print("dig_P6, int16: %d" % mySensor.calibration["dig_P6"])
print("dig_P7, int16: %d" % mySensor.calibration["dig_P7"])
print("dig_P8, int16: %d" % mySensor.calibration["dig_P8"])
print("dig_P9, int16: %d" % mySensor.calibration["dig_P9"])
print("dig_H1, uint8: %d" % mySensor.calibration["dig_H1"])
print("dig_H2, int16: %d" % mySensor.calibration["dig_H2"])
print("dig_H3, uint8: %d" % mySensor.calibration["dig_H3"])
print("dig_H4, int16: %d" % mySensor.calibration["dig_H5"])
print("dig_H6, int8: %d" % mySensor.calibration["dig_H6"])
while True:
print("Humidity:\t%.3f" % mySensor.humidity)
print("Pressure:\t%.3f" % mySensor.pressure)
print("Altitude:\t%.3f" % mySensor.altitude_feet)
print("Temperature:\t%.2f\n" % mySensor.temperature_fahrenheit)
time.sleep(1)
if __name__ == '__main__':
try:
runExample()
except (KeyboardInterrupt, SystemExit) as exErr:
print("\nEnding Example 5")
sys.exit(0)
|